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run code in 150+ php & hhvm versions
Bugs & Features
<?php $ach = array(1=>"One",2=>"Two",3=>"Three"); //$ach[]['test'] = "okay"; foreach($ach[0] as $item){ echo $item . " "; }
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 0 in /in/G2vRH on line 4 Warning: Invalid argument supplied for foreach() in /in/G2vRH on line 4
Output for hhvm-3.12.0
Notice: Undefined index: 0 in /in/G2vRH on line 4 Warning: Invalid argument supplied for foreach() in /in/G2vRH on line 6
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.1 - 5.2.17
Notice: Undefined offset: 0 in /in/G2vRH on line 4 Warning: Invalid argument supplied for foreach() in /in/G2vRH on line 4
Output for 4.3.0 - 4.3.10, 4.4.0 - 5.2.0
Warning: Invalid argument supplied for foreach() in /in/G2vRH on line 4
Output for 4.3.11